The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-255-6443, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-255-6443 |
| Primary Part Number | 32-721560-175 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Surface Condition | SMOOTH |
| Specification/standard Data | 76301-32-721560-175 MANUFACTURERS SOURCE CONTROL |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Vacuum in Torr | 50.8 |
| Inside Diameter | 0.218 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Measuring Method and Length | 17.000 INCHES NOMINAL WORKING IN |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Thread Class | 3B FIRST END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Burst Test Pressure | 12000.0 POUNDS PER SQUARE INCH LBS |
| Cross-Sectional Shape Style | ROUND |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Outside Diameter | 0.468 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 32-721560-175 PRIMARY | The Boeing Company Div Defense (USA) |
| 000AA50-4V0170 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 66000004-0170V | Smiths Tubular Systems-Laconia, Inc. (USA) |
NSN 4720-00-255-6443 is a Hose Assembly,nonmetallic, manufactured by The Boeing Company Div Defense, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-255-6443 has 3 cross-referenced part numbers: 32-721560-175 (The Boeing Company Div Defense), 000AA50-4V0170 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 66000004-0170V (Smiths Tubular Systems-Laconia, Inc.).
There are 4 known substitutes for 4720-00-255-6443: 6145-01-214-8037, 6145-01-226-7406, 6145-01-343-4287 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 32-721560-175: Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END; End Connection Design: STRAIGHT FIRST END; Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS; Inside Surface Condition: SMOOTH. 22 total characteristics are documented in the Federal Logistics Information System.